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Technics of Spatial Data Index Based on PDB in Embedded Environment
Pages: 17-19
Year: Issue:  5
Journal: Hydrographic Surveying and Charting

Abstract: 讨论了PDA环境下空间数据索引技术,针对RAM存储卡特点,提出了一个格网索引思想的空间数据索引方案--"类哈希"索引,并设计了基于PDB(palm OS database)的一个实现.实验表明,在PDA环境下,基于PDB的"类哈希"索引技术,能显著加快空间数据的加载速度.
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